PROFESSIONAL PROFILE

• Over 5 years of extensive experience in IT infrastructure on technologies like, Microsoft Office 365, Microsoft Exchange Server, Active Directory, Skype - for-Business, VMware ESX/ESXi, Windows Server, and Networking.
• More than 5 years of experience in the field of Information Technology (I.T.) administering Windows networks using Windows server, and Microsoft Exchange Email Messaging.
• Experience engineering, architecting and administering large-scale enterprise communications systems with high availability.
• Focus on Microsoft Exchange Server 2007, 2010, 2013, Exchange 2016, Exchange Online, Office 365.
• Experience with Outlook client with Microsoft Office Suite as well as Outlook Online (OWA) with Microsoft Office 365.
• Experienced in Microsoft Exchange environment: Edge Transport, Mailbox, DAG, CAS Array, Hub Transport and Unified Messenger.
• Experience upgrading, patching, maintaining, commissioning and decommissioning Windows Servers.
• Implemented and maintained an Active Directory Environment for Microsoft Exchange, supporting end-users within a production environment, administering Exchange email and communications.
• Engineered server-based solutions using Microsoft Exchange, LINQ, Skype-for-Business to proactively support business requirements.
• Testing, troubleshooting and evaluating all hardware, operating systems, and server-level applications associated with the Microsoft Lync 2013 environment and recommend appropriate server products and services to meet customer needs.
• Disaster Recovery planning, designing and implementation experience in successfully leading and delivering disaster recovery processes and procedures to ensure the resumption of vital business functions without any interruptions.
• Maintained a high level of server and network security to protect corporate resources from unauthorized access by implementing Group Policy’s (GPOs).
• SME and acting as liaison between operations, helpdesk and networks to ensure continuity of service to the user community.
• Highly skilled at PowerShell scripting, both for automation of processes and to troubleshoot issues.
• Experienced in providing High Availability for Microsoft Exchange environments using Database Availability Groups with expertise in Active Directory and PowerShell to maximize efficiency.
• Recommended and Implemented both LYNQ 2010 and 2013 within corporate enterprise environments
• Mobile device management experience with iPhone, Android, and Blackberry devices.
• Provided top-level documentation for all business needs
• Monitored and provided high level email security to assure client needs and goals were achieved.
• Provided anti-virus and spam filtering to protect integrity of environment.
• Provided end-to-end support including managing legal hold compliance accounts.
• Engineering reliable Exchange server solutions for specific consulting needs.
• Operational experience with mobile device management in Microsoft Exchange environments.
• Utilized PowerShell scripting knowledge to automate processes, facilitate Exchange Administration.

TECHNICAL SKILLS

Network Systems and Infrastructure: Exchange Server, Windows Server, SQL ServerMicrosoft Active Directory PowerShell, Microsoft Azure, Azure ADConnect

Office 365: Outlook Client,Outlook Web (OWA),Skype-for-Business

Continuous Cluster Replication (CCR): Standby Cluster Replication (SCR),Local Copy Replication (LCR),Hub Transport Server,Exchange management console (EMC),Outlook Web App (OWA)

Transport pipeline: Managed Availability

Exchange management console (EMC): Hybrid,Staged, Cutover, IMAP, Centralized, Non-centralized, Exchange Online Protection (EOP), Exchange Admin Center (EAC), Active Directory Federation Services (ADFS)

Protocols: TCP/IP, DNS, SIP, MAPI, SMTP, POP, IMAP, DHCP, WINS

Networking: LAN/ WAN/TCP/IP, VPN Pool, High availability, Resiliency, SQL, Web Services, Simple URLs, Reverse Proxy, Survivable Branch Appliances (SBA), Session Border Control (SBC), SIP, SIP Trunk, Migration, Edge server, Dial-In/Dial-Out, Lync Online, Front End Server, Back End Server, Director Server, Mediation Server, Central Management Store (CMS), Enterprise Voice (EV), VOIP, SAN, Internal/External DNS, networking, Public/Private s, Exchange, SharePoint, Unified Messaging, LAN, WAN, WLAN, Client Server Networks, Router, Switch, Hub, Bus, Ethernet, Fiber Optic, Network Controller, Cisco IOS, Cumulus Linux, Network Operating System (NOS), Cisco routers and switches, NetApp, Network troubleshooting skills

PROFESSIONAL EXPERIENCE

Confidential, Redwood City, CA

Microsoft Exchange/Office 365 Architect

• Responsible for implementing two new server farms in hybrid Exchange 2016/Office 365 expansion. This involved commissioning several new Windows 2012R2 Servers, Exchange 2016 implementations and new user groups for MS Office 365.
• Responsible for architectural design of new implementation and architectural consistency with existing systems.
• Responsible for evaluating the existing and the new environment and system needs; to harden the system, optimize the system and improve overall functioning.
• Ensured governance, policies and domain management which facilitated communication while controlling access and authentication to manage vulnerabilities.
• Followed Microsoft Best practices for planning, provisioning, implementation, performance, and decommissioning in the Microsoft Server Network, SQL Server, Exchange email and messaging system, and in the use of Azure, Azure ADConnect, Active Directory, and virtual machines.
• Upgraded and patched and tested Windows servers before implementing new servers to add to network.
• Upgraded and patched Exchange Servers, then implemented new Exchange 2016 servers.
• Performance tuned and optimized Exchange 2010 Server for maximum performance and continued operation
• Patched Exchange servers with updates and service packs following ITIL practices for change management
• Troubleshot Exchange performance issues with mail blockage, spam, Outlook (OWA) access, and slow performance, providing both on site and remote diagnosis and resolution
• Handled requests on Exchange email server related to mail quotas, delegation, rights management and individual mail restores.
• Utilized Microsoft planning tools such as best practice analyzer, Microsoft Exchange sizing calculator, and PowerShell scripting to prepare and plan for migration effort.
• Managed Microsoft Exchange coexistence with 2010 and 2013 versions, created legacy namespace, and assisted users with connectivity issues
• Trained end-users on changes to functionality, services, and Outlook features available.
• Handled move of public folder databases to Exchange 2013 using PowerShell scripts to automate the process and versified contents of migrated folders to ensure consistency.
• User management, creating and modifying accounts, file systems, network rights and access to file systems and directories.
• Configured and deployed Windows 2008 and 2012 servers in both production and testing environments on Microsoft Hyper V virtualization platform.
• Provided knowledge transfer documentation to prevent knowledge drain and ensure reliable, ongoing operations

Confidential, Wilmington, DE

Microsoft Exchange/O365 Engineer

• Responsible for implementation of Office 365 for corporate staff with migration from Exchange 2007 on prem to Office 365 using a cutover migration for jut at about 2,000 employees.
• Responsible for all phases of Office 365 planning, needs evaluation, and implementation including configuration, migration, support, troubleshooting and maintenance.
• Managed objects such as users and computers in the Active Directory environment
• Utilized Windows Azure Active Directory Sync (DirSync) to synchronize user accounts from on-premise Active Directory to Office 365 cloud Microsoft Azure environment
• Readied on-premise Exchange servers for migration by applying security patches, updates, and latest service packs
• Prepared on premise AD infrastructure for migration effort by using the IDFIX tool for directory cleanup
• Created tenant account for domain and registered company for services and federation for hybrid enterprise system
• Deployed virtualized hybrid servers on premise for DirSync and ADFS services utilizing VMWare of server provisioning
• Configured account and attribute synchronization as well as exceptions and ran synchronization for DirSync
• Deployed ADFS and ADFS proxy servers for single sign-on functionality, tested connectivity to tenant and applied s.
• Configured mail flow, connectors, and federation relationship for Microsoft Exchange and Microsoft Office 365 and verified proper functionality
• Created batches for Microsoft Exchange user accounts and utilized PowerShell to move user mailboxes to Microsoft Office 365, then monitored moves via migration reports
• Configured ADFS to provide single sign on functionality to users

Confidential, El Paso, TX

Microsoft Exchange Engineer

• Responsible for performance optimization, troubleshooting and L3 engineering support of Exchange 2010 server farm, and later responsible for cutover migration from Exchange 2010 to Office 365 with decommissioning of the old Exchange 2010 server farm.
• Readied on-premise Exchange servers for migration by applying security patches, updates, and latest service packs
• Prepared on premise AD infrastructure for migration effort by using the IDFIX tool for directory cleanup
• Created tenant account for domain and registered company for services and federation for hybrid enterprise system
• Deployed virtualized hybrid servers on premise for DirSync and ADFS services utilizing VMWare of server provisioning
• Configured account and attribute synchronization as well as exceptions and ran synchronization for DirSync
• Deployed ADFS and ADFS proxy servers for single sign-on functionality, tested connectivity to tenant and applied s.
• Configured mail flow, connectors, and federation relationship for Microsoft Exchange and Microsoft Office 365 and verified proper functionality
• Created batches for Microsoft Exchange user accounts and utilized PowerShell to move user mailboxes to Microsoft Office 365, then monitored moves via migration reports
• Informed Exchange users of change to services and connectivity and provided Exchange email and messaging documentation to users as well as service desk outlining changes and resolutions to common issues
• Administered Lync 2013 messaging deployment for all corporate users internally and externally who are on the Microsoft Exchange system.
• Added additional Microsoft Lync 2013 front end server to each pool to increase availability of services and reduce server load
• Implemented pool paring setup for disaster recovery purposes and tested via PowerShell
• Troubleshooting of issues with client connectivity internally and externally, conferences, as well as dial in functionality using monitoring server reports, snooper, and Wireshark network tools
• Applied conferencing policies to users for global, site and user functionality.

Confidential, Cincinnati, OH

Microsoft Exchange Administrator

• Responsible for administration of approximately 6,000 user mailboxes on a Microsoft Exchange 2010 system.
• Also responsible for Windows Servers 2008R2, VMWare, and system monitoring, performance and testing.
• Implemented various Backup & Restore mechanisms using PowerShell and STSADM command utility.
• Pinpoint and diagnose directory problems using in-depth troubleshooting diagnostics available to domain administrators.
• Troubleshoot server issues, participate in server builds & raid array configuration.
• Creating and deploying of Operating System template images using VMware Infrastructure client.
• Administered user and group accounts. This includes user password resets, user creation and deactivation, user and group recovery from accidental deletion, user group creation, and management.
• Administered the Domain Name Server (DNS). The DNS is tied to the directory, and the operation of the directory service is based on a properly functioning dynamic DNS infrastructure.
• Knowledge in designing and implementing of Active Directory and Network Fundamentals Protocols such as TCP/IP, DNS and Group Policy.
• Manage and troubleshoot Lightweight Directory Access Protocol authentication for applications.
• Respond to AD DS data calls from auditors.
• Knowledge in designing and implementing of Active Directory and Network Fundamentals Protocols such as TCP/IP, DNS and Group Policy.
• Manage and troubleshoot Lightweight Directory Access Protocol authentication for applications.
• Respond to AD DS data calls from auditors.
• Install and configure users with VPN access & remote access Experience with System Center Configuration Manager (SCCM). Patching updates/ Application Inventory/ deploying software etc.
• Managed Servers using Scripting, PowerShell, & Active Directory tools.
• Managed the installation, upgrades and decommissioning of servers (Windows server 2012, 2008R2)